-/* crypto/ec/ec_kmeth.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
ossl_ecdsa_verify_sig
};
-const EC_KEY_METHOD *default_ec_key_meth = &openssl_ec_key_method;
+static const EC_KEY_METHOD *default_ec_key_meth = &openssl_ec_key_method;
const EC_KEY_METHOD *EC_KEY_OpenSSL(void)
{
default_ec_key_meth = meth;
}
+const EC_KEY_METHOD *EC_KEY_get_method(const EC_KEY *key)
+{
+ return key->meth;
+}
+
+int EC_KEY_set_method(EC_KEY *key, const EC_KEY_METHOD *meth)
+{
+ void (*finish)(EC_KEY *key) = key->meth->finish;
+
+ if (finish != NULL)
+ finish(key);
+
+#ifndef OPENSSL_NO_ENGINE
+ if (key->engine != NULL) {
+ ENGINE_finish(key->engine);
+ key->engine = NULL;
+ }
+#endif
+
+ key->meth = meth;
+ if (meth->init != NULL)
+ return meth->init(key);
+ return 1;
+}
+
EC_KEY *EC_KEY_new_method(ENGINE *engine)
{
EC_KEY *ret = OPENSSL_zalloc(sizeof(*ret));
ECerr(EC_F_EC_KEY_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return (NULL);
}
+ if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_EC_KEY, ret, &ret->ex_data)) {
+ OPENSSL_free(ret);
+ return NULL;
+ }
+
ret->meth = EC_KEY_get_default_method();
#ifndef OPENSSL_NO_ENGINE
- if (engine) {
+ if (engine != NULL) {
if (!ENGINE_init(engine)) {
ECerr(EC_F_EC_KEY_NEW_METHOD, ERR_R_ENGINE_LIB);
OPENSSL_free(ret);
ret->engine = engine;
} else
ret->engine = ENGINE_get_default_EC();
- if (ret->engine) {
+ if (ret->engine != NULL) {
ret->meth = ENGINE_get_EC(ret->engine);
- if (!ret->meth) {
+ if (ret->meth == NULL) {
ECerr(EC_F_EC_KEY_NEW_METHOD, ERR_R_ENGINE_LIB);
ENGINE_finish(ret->engine);
OPENSSL_free(ret);
ret->version = 1;
ret->conv_form = POINT_CONVERSION_UNCOMPRESSED;
ret->references = 1;
- if (ret->meth->init && ret->meth->init(ret) == 0) {
+ if (ret->meth->init != NULL && ret->meth->init(ret) == 0) {
EC_KEY_free(ret);
return NULL;
}
}
int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
- EC_KEY *eckey,
+ const EC_KEY *eckey,
void *(*KDF) (const void *in, size_t inlen, void *out,
size_t *outlen))
{
- if (eckey->meth->compute_key)
+ if (eckey->meth->compute_key != NULL)
return eckey->meth->compute_key(out, outlen, pub_key, eckey, KDF);
ECerr(EC_F_ECDH_COMPUTE_KEY, EC_R_OPERATION_NOT_SUPPORTED);
return 0;
EC_KEY_METHOD *EC_KEY_METHOD_new(const EC_KEY_METHOD *meth)
{
- EC_KEY_METHOD *ret;
- ret = OPENSSL_zalloc(sizeof(*meth));
+ EC_KEY_METHOD *ret = OPENSSL_zalloc(sizeof(*meth));
+
if (ret == NULL)
return NULL;
- if (meth)
+ if (meth != NULL)
*ret = *meth;
ret->flags |= EC_KEY_METHOD_DYNAMIC;
return ret;
int (*ckey)(void *out,
size_t outlen,
const EC_POINT *pub_key,
- EC_KEY *ecdh,
+ const EC_KEY *ecdh,
void *(*KDF) (const void *in,
size_t inlen,
void *out,
int (**pck)(void *out,
size_t outlen,
const EC_POINT *pub_key,
- EC_KEY *ecdh,
+ const EC_KEY *ecdh,
void *(*KDF) (const void *in,
size_t inlen,
void *out,